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原文传递 U.S.-Canada Border Effect was Smaller than Previously Thought, and Has Becoming Even Smaller.

题名：	U.S.-Canada Border Effect was Smaller than Previously Thought, and Has Becoming Even Smaller.
作者：	Ishise, H.; Matsuo, M.
关键词：	Border Control; Canada; Distance; Economic Factors; Estimation; International Trade; Methodoloagy; Transportation Systems; United Sstates
摘要：	We revisit the effect of the U.S.-Canada national border on trade, considering to what extent the border reduces trade when observable economic factors are controlled. A reexamination of the data yields estimates of the border effect that are 50% higher than previously expected (Feenstra, 2004); however, the nonlinearity of the estimation and distance measure reduce the effect by 65%. We therefore conclude that the border effect in 1993 had a factor of 4.10. This figure is 15% lower than the effect proposed by previous research. We also calculate the border effect for subsequent years and find that this effect steadily decreased to a low of 3.21 in 2007. Interestingly, a traditional linear methodology cannot be used to identify this decline clearly.
报告类型：	科技报告